The Belgium international has spent the last seven years of his career in west London, establishing himself as one of Europe's finest players since his £32 million ($42m) move from Lille.

Chelsea may not be able to bring in the mercurial attacker's replacement if a FIFA imposed transfer ban takes effect in June and Di Matteo feels the club's legal woes may prevent a major deal from happening.

The Italian coach, who led the Blues to Champions League glory in 2012, has suggested Hazard's exit is far from certain at this stage, despite any desire he may have to move on.

"It would be a real shame for any club to lose a top player like Hazard," Di Matteo told Sky Sports .

"But I don't think it will be as easy as that because if you take into account the transfer ban Chelsea have, I'm not sure they are going to let anyone leave easily that they don't want to.

"It's understandable that there might be some intention from him to have a different experience at a different club and in a different league after many years at Chelsea.

"But he's got a contract and, at the end, I guess they'll have to sit down and see what solution they can find."

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Chelsea finished third in the Premier League this term behind Manchester City and Liverpool, securing a swift return to the Champions League.